大约有 47,000 项符合查询结果（耗时：0.0629秒） [XML]
SCOPE_IDENTITY() for GUIDs?
...read the value from .Net you would just use the ExecuteScalar method.
...
string sql = "INSERT INTO GuidTest(IntColumn) OUTPUT inserted.GuidColumn VALUES(1)";
SqlCommand cmd = new SqlCommand(sql, conn);
Guid guid = (Guid)cmd.ExecuteScalar();
...
...
error: default argument given for parameter 1
...d only be defined in the function declaration.
//bad (this won't compile)
string Money::asString(bool shortVersion=true){
}
//good (The default parameter is commented out, but you can remove it totally)
string Money::asString(bool shortVersion /*=true*/){
}
//also fine, but maybe less clear as th...
Why is Spring's ApplicationContext.getBean considered bad?
...{
private MySpringBean mySpringBean;
public static void main(String[] args) {
AutowireThisDriver atd = new AutowireThisDriver(); //get instance
ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext(
"/WEB-INF/applicationContext.xml"); ...
What is the dependency inversion principle and why is it important?
..., the way you would use it should be relatively stable in time. If you can extract an interface that represents the concept of logging, this interface should be much more stable in time than its implementation, and call sites should be much less affected by changes you could make while maintaining o...
Storing integer values as constants in Enum manner in java [duplicate]
...e() {
return constValue;
}
}
public static void main(String[] args) {
System.out.println("Name: " + PAGE.SIGN_CREATE.name());
System.out.println("Ordinal: " + PAGE.SIGN_CREATE.ordinal());
System.out.println("Const: " + PAGE.SIGN_CREATE.constValue());
...
How can I find all matches to a regular expression in Python?
...
Use re.findall or re.finditer instead.
re.findall(pattern, string) returns a list of matching strings.
re.finditer(pattern, string) returns an iterator over MatchObject objects.
Example:
re.findall( r'all (.*?) are', 'all cats are smarter than dogs, all dogs are dumber than cats')...
How to implement a confirmation (yes/no) DialogPreference?
...
.setIcon(android.R.drawable.ic_dialog_alert)
.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
Toast.makeText(MainActivity.this, "Yaay", Toast.LENGTH_SHORT).show();
}})
.setNegativeButton...
How to append text to a text file in C++?
...n't exist and also adds bit of error checks.
static void appendLineToFile(string filepath, string line)
{
std::ofstream file;
//can't enable exception now because of gcc bug that raises ios_base::failure with useless message
//file.exceptions(file.exceptions() | std::ios::failbit);
...
How to import data from mongodb to pandas?
...
Does Monary support string data type ?
– Snehal Parmar
Jan 1 '15 at 7:44
...
SharedPreferences.onSharedPreferenceChangeListener not being called consistently
...tener() {
public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
// Implementation
}
});
do this:
// Use instance field for listener
// It will not be gc'd as long as this instance is kept referenced
listener = new SharedPreferences.OnSharedPreferenceChangeListener()...